Brightness

.gitignore

@@ -38,6 +38,7 @@ $RECYCLE.BIN/
 .TemporaryItems
 .Trashes
 .VolumeIcon.icns
+.vscode
 
 # Directories potentially created on remote AFP share
 .AppleDB

python/config.py

@@ -16,6 +16,9 @@
 to control the leds connected to it.
 """
 
+BRIGHTNESS = 1
+"""Set between 0 and 1 to control LED brightness for pi,esp8266,and blinkstick"""
+
 if DEVICE == 'esp8266':
     UDP_IP = '192.168.0.150'
     """IP address of the ESP8266. Must match IP in ws2812_controller.ino"""
@@ -31,7 +34,7 @@
     """LED signal frequency in Hz (usually 800kHz)"""
     LED_DMA = 5
     """DMA channel used for generating PWM signal (try 5)"""
-    BRIGHTNESS = 255
+    PI_BRIGHTNESS = 255 * BRIGHTNESS
     """Brightness of LED strip between 0 and 255"""
     LED_INVERT = True
     """Set True if using an inverting logic level converter"""

python/led.py

@@ -14,7 +14,7 @@
     import neopixel
     strip = neopixel.Adafruit_NeoPixel(config.N_PIXELS, config.LED_PIN,
                                        config.LED_FREQ_HZ, config.LED_DMA,
-                                       config.LED_INVERT, config.BRIGHTNESS)
+                                       config.LED_INVERT, config.PI_BRIGHTNESS)
     strip.begin()
 elif config.DEVICE == 'blinkstick':
     from blinkstick import blinkstick
@@ -72,12 +72,12 @@ def _update_esp8266():
         m = '' if _is_python_2 else []
         for i in packet_indices:
             if _is_python_2:
-                m += chr(i) + chr(p[0][i]) + chr(p[1][i]) + chr(p[2][i])
+                m += chr(i) + chr(int(p[0][i]*config.BRIGHTNESS)) + chr(int(p[1][i]*config.BRIGHTNESS)) + chr(int(p[2][i]*config.BRIGHTNESS))
             else:
                 m.append(i)  # Index of pixel to change
-                m.append(p[0][i])  # Pixel red value
-                m.append(p[1][i])  # Pixel green value
-                m.append(p[2][i])  # Pixel blue value
+                m.append(int(p[0][i]*config.BRIGHTNESS))  # Pixel red value
+                m.append(int(p[1][i]*config.BRIGHTNESS))  # Pixel green value
+                m.append(int(p[2][i]*config.BRIGHTNESS))  # Pixel blue value
         m = m if _is_python_2 else bytes(m)
         _sock.sendto(m, (config.UDP_IP, config.UDP_PORT))
     _prev_pixels = np.copy(p)
@@ -119,9 +119,9 @@ def _update_blinkstick():
     # Optional gamma correction
     p = _gamma[pixels] if config.SOFTWARE_GAMMA_CORRECTION else np.copy(pixels)
     # Read the rgb values
-    r = p[0][:].astype(int)
-    g = p[1][:].astype(int)
-    b = p[2][:].astype(int)
+    r = (config.BRIGHTNESS*p[0][:]).astype(int)
+    g = (config.BRIGHTNESS*p[1][:]).astype(int)
+    b = (config.BRIGHTNESS*p[2][:]).astype(int)
 
     #create array in which we will store the led states
     newstrip = [None]*(config.N_PIXELS*3)

python/visualization.py

@@ -312,6 +312,17 @@ def freq_slider_change(tick):
         freq_label.setText('Frequency range: {} - {} Hz'.format(
             config.MIN_FREQUENCY,
             config.MAX_FREQUENCY))
+        # Brightness label
+        bright_label = pg.LabelItem('')
+        # Brightness slider
+        def bright_slider_change(tick):
+            newBrightness = bright_slider.tickValue(0)
+            bright_label.setText('Brightness level: {:.0f}%'.format(newBrightness*100))
+            config.BRIGHTNESS = newBrightness
+        bright_slider = pg.TickSliderItem(orientation='bottom', allowAdd=True)
+        bright_slider.addTick(config.BRIGHTNESS, color='#16dbeb' , movable=True)
+        bright_slider.tickMoveFinished = bright_slider_change
+        bright_label.setText('Brightness: {:.0f}%'.format(bright_slider.tickValue(0)*100))
         # Effect selection
         active_color = '#16dbeb'
         inactive_color = '#FFFFFF'
@@ -350,6 +361,10 @@ def spectrum_click(x):
         layout.addItem(energy_label)
         layout.addItem(scroll_label)
         layout.addItem(spectrum_label)
+        layout.nextRow() 
+        layout.addItem(bright_label, colspan=3)
+        layout.nextRow() 
+        layout.addItem(bright_slider, colspan=3)
     # Initialize LEDs
     led.update()
     # Start listening to live audio stream